package com.student.system.controller;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.lang.reflect.Method;


public class BaseServlet extends HttpServlet {
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp)
            throws ServletException, IOException {
        String methodName = req.getParameter("method");
        Class<? extends BaseServlet> claszz = this.getClass();
        try {
            Method method = claszz.getMethod(methodName, HttpServletRequest.class,
                    HttpServletResponse.class);
            if (method!=null){
                method.invoke(this,req,resp);
            }else{
                System.out.println("系统错误，找不到方法名："+methodName);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }


    }
}
